
Scale Factor, Scale Copy, and Corresponding parts
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Mathematics
7th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is a scale factor?
A number that scales or multiplies a quantity.
A measurement of length in a specific unit.
A ratio that compares two different quantities.
A method for calculating area.
Tags
CCSS.7.G.A.1
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What are corresponding angles?
Angles that are equal in measure
Angles that are in the same relative position in two or more figures
Angles that are supplementary to each other
Angles that are adjacent to each other
Tags
CCSS.8.G.A.5
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
How do you find the scale factor between two similar figures?
Multiply the length of a side of the larger figure by the length of the corresponding side of the smaller figure.
Add the lengths of the corresponding sides of both figures.
Divide the length of a side of the larger figure by the length of the corresponding side of the smaller figure.
Subtract the length of the smaller figure from the larger figure.
Tags
CCSS.7.G.A.1
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
If triangle ABC has a scale factor of 1/2 to triangle DEF, how does the size of triangle DEF compare to triangle ABC?
Triangle DEF is the same size as triangle ABC.
Triangle DEF is twice the size of triangle ABC.
Triangle DEF is half the size of triangle ABC.
Triangle DEF is one-fourth the size of triangle ABC.
Tags
CCSS.8.G.A.3
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
If the scale factor is 2, what does that mean?
It means that the new figure is twice as large as the original figure.
It means that the new figure is half the size of the original figure.
It means that the new figure is three times larger than the original figure.
It means that the new figure is the same size as the original figure.
Tags
CCSS.7.G.A.1
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
If two triangles are similar and the scale factor is 7/3, what can be said about their areas?
The area of the larger triangle is 7/3 times the area of the smaller triangle.
The area of the larger triangle is (7/3)² = 49/9 times the area of the smaller triangle.
The area of the larger triangle is equal to the area of the smaller triangle.
The area of the larger triangle is (3/7)² = 9/49 times the area of the smaller triangle.
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the scale factor if the length of a side in the original figure is 10 and the corresponding side in the scaled figure is 5?
1/2
2
1/5
5
Tags
CCSS.7.G.A.1
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